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Table 4 Results the univariate and multivariate Cox proportional hazard models of independent predictors of mortality

From: High-resolution CT scoring system-based grading scale predicts the clinical outcomes in patients with idiopathic pulmonary fibrosis

Univariate Cox proportional hazard model
Variable p-value HR (95% Cl)
Age 0.219 1.023 (0.985 to 1.062)
BMI 0.292 0.937 (0.829 to 1.058)
PaO2 0.193 0.982 (0.955 to 1.009)
%FVC 0.002 0.968 (0.948 to 0.989)
KL-6 0.028 1.000 (1.000 to 1.001)
MMRC score 0.013 1.659 (1.111 to 2.478)
HRCT score 0.268 1.007 (0.995 to 1.019)
Multivariate Cox proportional hazard model
%FVC 0.037 0.972 (0.958 to 0.986)
KL-6 0.100 1.000 (1.000 to 1.001)
MMRC score 0.043 1.240 (1.005 to 2.475)
  1. BMI = body mass index, FVC = forced vital capacity, KL-6 = Krebs von den Lungen-6, MMRC = modified medical research council.